Pool fountain



FIG. 1 is a perspective view of a pool fountain showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the drawings depict portions of the pool fountain in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for a pool fountain, as shown and described. 